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Thread: Problem in L15a1 Vtec Swapped City

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    Default Problem in L15a1 Vtec Swapped City

    Salaams Guys!

    I recently swapped my o4 City iDSI with L15a1 1.5 Vtec of the local Steermatic and JDM Honda Fit and Jazz with Manual tranny ECU and on stock Manual tranny.
    The problem I am facing is that the car denies to Rev above 4000 RPM. It looks like the fuel cut off at redline. The wiring was complete uncut with the engine. Got new exhaust manifold for O2 sensor aswell. Besides the 4000RPM cutoff, I am facing missing and bad idling..

    I require expertise suggestions here. Spent more than 50K on an engine that denies to Rev. Looking forward to expertise and valuable suggestions.


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  2. #41
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    Quote Originally Posted by F430 View Post
    I'll have a hard time finding a manual ECU for the L15a1. However, I have searched and learned that D16Y, The engine in 2001-2005 Civic VTi also run's on OBD2a ECU. I will be available aswell because it was used locally..

    What do you and other experts say?
    Both have same single stage Vtec and ECU pinouts are same aswell...
    how will you run the 4 additional ignitor assys your L15 engine has with the D16Y ECU - VTEC aside, first get the minimum running correct. all injectors and all ignitors (coils) firing regularly in full engine rpm operating range
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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    Quote Originally Posted by Xulfiqar View Post
    how will you run the 4 additional ignitor assys your L15 engine has with the D16Y ECU - VTEC aside, first get the minimum running correct. all injectors and all ignitors (coils) firing regularly in full engine rpm operating range
    My engine is not the one with 8 Coils. It is a 4 coil one, 4 ignitors in your language. The L15a1 Vtec has 4, not 8. If it was the 8 coil one, I could have easily fired the car on old wiring and ECU aswell.
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    Quote Originally Posted by Ghuncha View Post
    are you sure the pin outs are same?, both are different generation engines and i think that they will different in sensors too.
    Yes the L series engine uses OBD2a ECU's and so does the D16 series. All OBD2a's have same wiring pattern.
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    Make It Confirm Fahad ........!!! Engines Are quiet different..........as well as sensors too...!!
    D16Y ecu is a good choice if its compatible....
    Good Luck
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  6. #45
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    Quote Originally Posted by F430 View Post
    How to get an ECU remapped?

    Its some what impossible to do it in Pakistan as i never had came across any done that before....Ur engine trips when its time to enguage Vtech...Try to find a proper ECU for it...Visit ur engine provider and explain him this problem in quiet simple words may be he would help...Or do visit Honda Fort...

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    the only way to make it work is to go back to your engine vendor and get the proper matching ECU for your engine - as mentioned in the above posts.

    For trying to run the D16 ECU - compare both engines revolution sensors side by side to see if the match - if they do - you have a chance of using it.
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

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    Quote Originally Posted by UmarSattar View Post
    Its some what impossible to do it in Pakistan as i never had came across any done that before....Ur engine trips when its time to enguage Vtech...Try to find a proper ECU for it...Visit ur engine provider and explain him this problem in quiet simple words may be he would help...Or do visit Honda Fort...
    Sir Jee ... impossible ? Hehe

    Ive seen chipped ECUs run in cars since 5+ years now.

    Chipping bahut purani cheez hogaee hai over here.
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  9. #48
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    Mod Edit: dont post off topic replies.no one asked how fast your friend's city is.

  10. #49
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    Quote Originally Posted by Ghuncha View Post
    are you sure the pin outs are same?, both are different generation engines and i think that they will different in sensors too.
    helow ! bro i hav done the same thing with my city 2005. i can arrange an ecu for u!as i have done for my self but that would b mobiliezer u have to by pass it. i-e chipping. i have done it but im having some issue as i want pick n im not having that!so i need further chipping. my cel number is 03129979121 IMRAN KHAN .contact me n we can talk on phone n discuss it..n wil try to help u in fing=ding an ecu for u in few days ! thankyou il b w8ing for ur reply .

  11. #50
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    Dig

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  12. #51
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    update fahad ?

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    Quote Originally Posted by maisambutt View Post
    update fahad ?
    Wallay enough to dig :p

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